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    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>定义列表</title>
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<body>
    <!--定义列表-->
    <dl>
        <dt>笔记本</dt>
        <dd>联想</dd>
        <dd>戴尔</dd> 
        <dd>惠普</dd>
        <dt>手机</dt>
        <dd>apple</dd>
        <dd>华为</dd>
        <dd>小米</dd>
    </dl>
</body>
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